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Author: Lal, Harbans

• Lal, Harbans: Radicals in Quasi-Commutative Semigroups. (English). Matematický časopis, vol. 25 (1975), issue 3, pp. 287-288
• Lal, Harbans: The Regular Ideal in a Semigroup. (English). Matematický časopis, vol. 25 (1975), issue 2, pp. 179-183